Micro-PMT module

H12404-20

The H12404-20 is high sensitivity photosensor modules that contain a Micro PMT, a voltage divider circuit, and a high-voltage power supply circuit and amplifier circuit. These modules can be easily operated with a low voltage supply.

Response

SPECTRAL RESPONSE

GAIN

Specifications

  Description / Value Unit
Spectral response 300 to 920 nm
Peak sensitivity wavelength 630 nm
Photocathode Material Extended red multialkali -
Effective area 3(X) × 1(Y) mm
Window material Borosilicate glass -
Dynode number of stages 12 -
Input voltage ±4.5 to ±5.5 V
Maximum input voltage ±5.5 V
Maximum input current (*1) +23.5 / -3.5 mA
Maximum average output signal current +4 (Load resistance 10 kΩ) V
Maximum control voltage +1.15 V
Recommended control voltage adjustment range +0.5 to +1.0 V
Control voltage input impedance 1
Cathode Luminous sensitivity Min. 300 μA/lm
Typ. 400 μA/lm
Red / White ratio Typ. 0.45 -
Radiant sensitivity(*2) Typ. 60 mA/W
Anode(*2) Luminous sensitivity(*3) Min. 3.0 × 107 V/lm
Typ. 1.0 × 108 V/lm
Radiant sensitivity(*2)(*3) Typ. 15 V/nW
Voltage output depending on PMT dark current(*3)(*4) Typ. 0.6 mV
Max. 6 mV
PMT gain Typ. 2.5 × 105 -
Frequency bandwidth DC to 20 kHz -
Current-to-voltage conversion factor 1 V/μA
Output offset voltage Typ. ±1 mV
Ripple noise(*3)(*5)(peak to peak) Max. 1.5 mV
Settling time(*6) Max. 10 s
Operating ambient temperature(*7) +5 to +50
Storage temperature(*7) -20 to +50
Weight 44 g

Notes
*1 At ±5V input voltage and +0.9 V control voltage in darkness
*2 Measured at the peak sensitivity wavelength
*3 +0.9 V control voltage
*4 After 30 minutes storage in darkness.
*5 Cable RG-174/U, Cable length 450 mm, Load resistance=1 MΩ, Load capacitance=22 pF
*6 The time required for the output to reach a stable level following a change in the control voltage from +1.0 V to + 0.5 V.
*7 No condensation

Dimensional outline (Unit mm)

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